Silver
Dardanelle Waterworks
Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.
12
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-08 | Y181300001 | ND |
| 2019-04-02 | Y190940001 | ND |
| 2020-04-20 | Y201140014 | ND |
| 2021-04-07 | Y210980050 | ND |
| 2021-08-09 | Y212240014 | ND |
| 2021-11-08 | Y213140021 | ND |
| 2022-01-05 | Y220070016 | ND |
| 2022-04-25 | Y221180009 | ND |
| 2023-04-03 | Y230960045 | ND |
| 2023-04-18 | Y231100009 | ND |
| 2023-05-01 | Y231240069 | ND |
| 2023-05-08 | Y231310037 | ND |